Dale K., back in the 80's, tested this theory and reported that from his tests they (tear drop shape) created more drag (on the Lazair) not less.
Dale, if I am putting words in your mouth, please respond.

4 eight foot pieces will set you back $170, but if you were to split the cost with another Lazairhead then the cost wouldn't be to bad. I've been thinking about the very same thing. Perhaps we should split a set.

Do you think that there is enough room for the aileron pushrods inside these fairings? I suspect that there is, but I'm only guessing. That won't be an issue on the Lazair II because the aileron controls are inside the wing instead of on the struts.

I got some plastic fairings a few years ago from a company in Florida. I've been trying to find their name and contact info, but I've misplaced it. I suspect it's the same company that is providing the fairings for the Ultralight news store.

If so, the fairings came in two sizes. The larger one does fit over both the strut and the aleron tubes. I've done a test fit, but never got around to the final installation. Funny how other things always take priority and after two years, I still haven't found the time.

I just can't figure out a good way to attach them and still have them easily removable for inspections. I'm not too keen on drilling holes into the strut as I am concerned with how it will affect the strength.

Anyway, I have slipped it over the strut and it should improve the performance, and really looks good. Image is everything, so it's worth doing for that reason alone.

Incidentally, punch up a google search for "streamlined strut fairings". You'll find a page explaining how a fellow made his own for his Weedhopper. Pretty simple, probably a possiblility for someone with a series II.

Rans seems to have a better deal at a glance.
http://www.rans.com/s12spec.htmlsee other options at the bottom of the page.
Jury Strut Fairing Material $20
I'm in the planning stage so if you check into the rans alternative could you let us know?
I have to finish wing mods then select and acquire wing covering.